import { UPLOAD_IMAGE_URL,SERIAL } from '../config.js'
import { message } from './message.js'

export default class UploadImg {
    /**
     * [constructor description]
     * @param  {[Array]} files [chooseImg选中的tempFilePaths]
     * @param  {[Object]} json  [success每上传成功一张调用 complete全部上传完成调用]
     * @return {[void]}       [description]
     */
    constructor(files, json) {
        if (!Array.isArray(files)) {
            throw new Error('Class UploadImg parameter must be an array');
        }
        let _this = this;
        _this.data = [];
        _this.fn = json.success;
        _this.complete = json.complete;
        _this.files = files;
        _this.fileLen = _this.files.length;
        _this.curIndex = 0;
        uni.showLoading({
            title: global.i18n['上传中'],
            mask: true
        });
        _this.upload();
    }

    upload() {
        let _this = this;
        uni.uploadFile({
            url: UPLOAD_IMAGE_URL,
            filePath: this.files[this.curIndex],
            name: 'file',
            header: {
              'user-token': global.token || '',
              'Accept-Language': global.locale,
              'Accept-Serial': SERIAL,
            },
            formData: {
              'module': '',
              'dir': ''
            },
            success: res => {
                let data = JSON.parse(res.data);
                if (data.code == 1) {
                    console.log("返回结果",data);
                    this.data.push(data.data[0]);
                    if (this.fn) this.fn(this.data);
                } else {
                    message.info(global.i18n['图片上传失败，请重试'])
                }
            },
            complete: () => {
                this.curIndex++; // 这个图片执行完上传后，开始上传下一张
                if (this.curIndex == this.fileLen) { // 当图片传完时，停止调用
                    this.complete(this.data);
                    uni.hideLoading()
                } else { // 若图片还没有传完，则继续调用函数
                    this.upload();
                }
            }
        });
    }
}